⟩ Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners? A. PCM B. Tar C. Light diesel oil D. Low viscosity furnace oil
Option C
Option C
Platforming is a __________ process. A. moving bed B. fluidised bed C. non-regenerative & fixed bed D. regenerative
Aromatics have the highes __________ of all the hydrocarbons of same carbon atoms. A. smoke point B. octane number C. cetane number D. viscosity
Aniline point is the temperature at which A. equal weight of diesel & the aniline are completely miscible. B. equal weight of aniline & the test sample are completely miscible. C. equal volume of aniline & the test sample are completely miscible. D. aniline vaporises.
Pick out the wrong statement. A. A pale color of petroleum product indicates lower viscosity. B. Color of petroleum products indicates the degree of refinement. C. Lighter petroleum distillates are lighter in color than the heavier residual oils. D. Flouroscene of oils helps to detect its adulteration.
Sweetening of petroleum product means the removal of A. sulphur & its compounds B. water C. organic impurities D. wax
Reforming A. uses naphtha as feedstock. B. does not much affect the molecular weight of the feed. C. improves the quality & yield of gasoline. D. all (a), (b) and (c).
Pyrolysis of kerosene or natural gasoline is done to produce mainly the A. olefins and aromatics B. lighter paraffins C. stabilised gasoline D. diesel
Which of the following has maximum hydrogen/carbon ratio (by weight)? A. Naphtha B. Gasoline C. Diesel D. Fuel oil
Which of the following fractions of petroleum contains maximum sulphur? A. Diesel B. Gasoline C. Naphtha D. Atmospheric residue
Reforming converts A. olefins into paraffins B. naphthenes into aromatics C. naphthenes into olefins. D. naphthenes into paraffin.